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n. the chest: the part of the body cavity between the neck and the diaphragm. The skeleton of the thorax is formed by the sternum, costal cartilages, ribs, and thoracic vertebrae of the backbone. It encloses the lungs, heart, oesophagus, and associated structures. Compare abdomen. —thoracicadj.

Subjects: Biological Sciences — Medicine and Health.

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